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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993
Report date:
1993

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Qualifier:
according to guideline
Guideline:
other: EEC Guideline B.1, Acute Oral toxicity in Council Directive 84/449/EEC
GLP compliance:
yes (incl. QA statement)
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
5-Fluoro-2-nitrobenzoic acid methyl ester
EC Number:
609-664-1
Cas Number:
393-85-1
Molecular formula:
C8H6FNO4
IUPAC Name:
5-Fluoro-2-nitrobenzoic acid methyl ester
Test material form:
other: yellow liquid
Details on test material:
purity: 96.9 % +/-0.2 %, storage: darkness at room temperature in a fume cupboard

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
Strain: Hoe: WISKf (SPF71), Animal Source : Hoechst AG, Kastengrund, SPF breeding colony, age at the start of the experiment: males: 7 weeks, females: 8 weeks

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: sesame oil
Details on oral exposure:
The animals received the compound as a 20 % solution in sesame oil, the application volume was 10 ml/kg bw
Doses:
500 mg/kg bw, 1000 mg/kg bw, 2000 mg/kg bw
No. of animals per sex per dose:
5 animals per group
Details on study design:
Behaviour and state of health were observed daily in all groups. Body weight and food consumption

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
>= 2 000 mg/kg bw
Mortality:
No deaths occourred during the whole study.
Clinical signs:
other: No symptoms were observed after application of 2000 mg/kg bw.
Gross pathology:
No macroscopically changes were visible.
Other findings:
The animals killed at the end of the observation period showed no macroscopically visible changes.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Acute toxicity testing of 5-Fluoro-2-nitrobenzoic acid methyl ester in the Wistar rat yield a median lethal dose above 2000 mg/kg bw in male and female animals. After application of 2000 mg/kg bw neither death nor symptomes occurred.